Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mark J Zellhofer, PHD, RPH

Individual provider Pharmacist · NPI 1043703101

Mark J Zellhofer, PHD, RPH is a Pharmacist in Parkville, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2018
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
RPH — Registered Pharmacist
A pharmacist licensed by a state board.

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Practice location Address checks out

1955 E Joppa Rd
Parkville, MD 21234-2745
Phone: (410) 665-5120
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pharmacist (primary) Taxonomy 183500000X · Licence 10324 (MD)

Record details

NPI number1043703101
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , RPH
Sole proprietorYes
NPI enumeratedJune 12, 2018
Last updated in NPPESJune 12, 2018

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